Properties of Obsidian and Scoria

Obsidian

Scoria

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.55-6

1 7

1.1.2 Grain Size

Not Applicable

Fine Grained

1.1.3 Fracture

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Very Less Porous

Highly Porous

1.1.6 Luster

Vitreous

Subvitreous to Dull

1.1.7 Compressive Strength

0.15 N/mm²NA

0.15 450

1.1.8 Cleavage

Non-Existent

Perfect

1.1.9 Toughness

Not Available

2.1

1.1.10 Specific Gravity

2.6-2.7Not Available

0 8.4

1.1.11 Transparency

Translucent

Opaque

1.1.12 Density

2.6 g/cm³Not Available

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Obsidian vs Scoria Properties

Properties of Obsidian and Scoria play an important role in determining the type of rock. Along with Obsidian vs Scoria properties, get to know more about Obsidian Definition and Scoria Definition. For the ease of understanding, the properties of rocks are divided into physical and thermal properties. Rocks have a variety of properties like hardness, color, specific gravity, fracture, cleavage, luster etc. Know all about physical and thermal properties of Obsidian and Scoria.